import java.net.*;
public  class ReceiveLetterForZhang implements Runnable{
	public void run () {
		DatagramPacket pack =null;
		DatagramSocket postman=null;
		byte data[] =new byte[8192];
		try {
			pack=new DatagramPacket(data,data.length);
			postman=new DatagramSocket(888);
			
		}
		catch(Exception e){}
		while (true){
			if(postman==null)break;
			else
			try{
			postman.receive(pack);
			String message=new String (pack.getData(),0,pack.getLength());
			System.out.printf("%25s\n","收到:"+message);
			}
			catch(Exception e){}
		}
	}
	
	
}
